package thread6.TEST;

public class test2 {
    public int b = /*a +*/ 10;
    public int a = 10;
    public static int c = /*a +*/10;
    public int d = c + 10;
    public test2(int a, int b) {
    }
    public void methoud() {

    }
}
class test3 extends test2{
    public test3(int a, int b) {
        super(3,5);
        int c = 10;
        super.methoud();
    }
}
class test4 extends test3 {
    //默认是super()无参构造方法，无法用
    public test4() {
        super(3,5);
        methoud();
    }
}